Patents by Inventor Nobushiro Seo
Nobushiro Seo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20180141152Abstract: A method of manufacturing a liquid-cooled jacket, includes a preparation step which includes placing a sealing body on a stepped portion to allow a step side surface and a sealing-body side surface of the sealing body to butt each other, and a primary joining step which includes allowing a primary joining rotary tool to move once around the sealing body, while moving the rotary tool along a butted portion formed in the preparation step, to carry out friction stir welding. The primary joining step includes employing the primary joining rotary tool provided with a stirring pin having a length dimension greater than a thickness dimension of the sealing body, and carrying out friction stirring with only the stirring pin being brought into contact with a jacket body and the sealing body.Type: ApplicationFiled: January 4, 2018Publication date: May 24, 2018Inventors: Hisashi HORI, Nobushiro SEO
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Publication number: 20180043483Abstract: Certain embodiments relate to a heat exchanger plate capable of performing friction stir welding at a deep position of the heat exchanger plate, and improving air-tightness and water-tightness. A method may include a lid groove closing process to insert a lid plate into a lid groove formed at a periphery of a concave groove opening to a surface of a base member. The method may also include a primary joining process to perform friction stirring while relatively moving a primary joining rotary tool equipped with a stirring pin along a butting portion of a side wall of the lid groove and a side surface of the lid plate. In the primary joining process, the rotating stirring pin may be inserted into the butting portion, and the friction stirring may be performed in a state of only the stirring pin being in contact with the base member and the lid plate.Type: ApplicationFiled: October 16, 2017Publication date: February 15, 2018Inventors: Hisashi HORI, Nobushiro SEO
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Patent number: 9821419Abstract: The method for manufacturing a heat exchanger plate includes a lid groove closing process to insert a lid plate into a lid groove formed at a periphery of a concave groove opening to a surface of a base member; and a primary joining process to perform friction stirring while relatively moving a primary joining rotary tool equipped with a stirring pin along a butting portion of a side wall of the lid groove and a side surface of the lid plate, and in the primary joining process, the rotating stirring pin is inserted into the butting portion, and the friction stirring is performed in a state of only the stirring pin being in contact with the base member and the lid plate.Type: GrantFiled: October 8, 2013Date of Patent: November 21, 2017Assignee: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Hisashi Hori, Nobushiro Seo
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Patent number: 9566661Abstract: The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members (1) using a primary joining rotary tool (F) with a stirring pin (F2) includes a primary joining process in which a rotating stirring pin (F2) is moved to the butting portion formed by butting the metal members (1) against each other and friction stir welding is carried out. In the primary joining process, only the stirring pin (F2) is brought into contact with the metal members (1).Type: GrantFiled: June 25, 2015Date of Patent: February 14, 2017Assignee: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro Seo, Hisashi Hori
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Publication number: 20170001257Abstract: A friction stir welding method is provided that can prevent defective welding due to a shortage of metal. The friction stir welding method welds metal members (1, 2) using a primary joining rotary tool (F) having a stirring pin (F2), and includes steps of: butting in which the metal members (1, 2) are butted with each other at an angle to form a butted portion (J1); buildup welding in which buildup welding is applied along an inner corner of the metal members (1, 2) formed in the butting step to cover the inner corner by a weld metal (M); and inner corner joining in which only the stirring pin (F2) in rotation is inserted in the inner corner to plastically fluidize the weld metal (M) and the metal members (1, 2) for friction stir welding of the butted portion (J1).Type: ApplicationFiled: December 16, 2014Publication date: January 5, 2017Inventors: Nobushiro SEO, Hisashi HORI
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Publication number: 20160325374Abstract: A method of manufacturing a liquid-cooled jacket, includes a preparation step which includes placing a sealing body on a stepped portion to allow a step side surface and a sealing-body side surface of the sealing body to butt each other, and a primary joining step which includes allowing a primary joining rotary tool to move once around the sealing body, while moving the rotary tool along a butted portion formed in the preparation step, to carry out friction stir welding. The primary joining step includes employing the primary joining rotary tool provided with a stirring pin having a length dimension greater than a thickness dimension of the sealing body, and carrying out friction stirring with only the stirring pin being brought into contact with a jacket body and the sealing body.Type: ApplicationFiled: August 27, 2014Publication date: November 10, 2016Inventors: Hisashi HORI, Nobushiro SEO
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Patent number: 9233439Abstract: Provided is a method of producing a liquid-cooled jacket wherein deformation of a seal body can be minimized.Type: GrantFiled: December 11, 2013Date of Patent: January 12, 2016Assignee: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro Seo, Shinya Makita, Hisashi Hori, Masanori Tamaishi
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Publication number: 20150290739Abstract: The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members (1) using a primary joining rotary tool (F) with a stirring pin (F2) includes a primary joining process in which a rotating stirring pin (F2) is moved to the butting portion formed by butting the metal members (1) against each other and friction stir welding is carried out. In the primary joining process, only the stirring pin (F2) is brought into contact with the metal members (1).Type: ApplicationFiled: June 25, 2015Publication date: October 15, 2015Inventors: Nobushiro SEO, Hisashi HORI
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Publication number: 20150273637Abstract: The method for manufacturing a heat exchanger plate includes a lid groove closing process to insert a lid plate into a lid groove formed at a periphery of a concave groove opening to a surface (of a base member; and a primary joining process to perform friction stirring while relatively moving a primary joining rotary tool equipped with a stirring pin along a butting portion of a side wall of the lid groove and a side surface of the lid plate, and in the primary joining process, the rotating stirring pin is inserted into the butting portion, and the friction stirring is performed in a state of only the stirring pin being in contact with the base member and the lid plate.Type: ApplicationFiled: October 8, 2013Publication date: October 1, 2015Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Hisashi Hori, Nobushiro Seo
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Patent number: 9095927Abstract: The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members (1) using a primary joining rotary tool (F) with a stirring pin (F2) includes a primary joining process in which a rotating stirring pin (F2) is moved to the butting portion formed by butting the metal members (1) against each other and friction stir welding is carried out. In the primary joining process, only the stirring pin (F2) is brought into contact with the metal members (1).Type: GrantFiled: July 26, 2012Date of Patent: August 4, 2015Assignee: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro Seo, Hisashi Hori
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Publication number: 20150209893Abstract: A joining method includes a butting process configured to butt a first metal member and a second metal member each having a front surface with various heights to form therebetween a butt portion with various heights; and a welding process configured to apply a friction stirring to the butt portion by a stirring pin of a rotation tool while only the stirring pin of the rotation tool contacts with the first metal member and the second metal member of the butt portion. The welding process may be configured to insert the stirring pin of the rotation tool into the butt portion from front surfaces of the first metal member and the second metal member and apply the friction stirring to the butt portion while an insertion depth of only the stirring pin is kept approximately constant.Type: ApplicationFiled: January 26, 2015Publication date: July 30, 2015Inventors: Hisashi HORI, Nobushiro SEO
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Patent number: 8814027Abstract: The present invention provides an economic rotation tool for joining a pair of metal members which form an inner corner by abutting the pair of metal members (1) each other, and a joining inner corner method using the same. The rotation tool for joining the pair of metal members which form an inner corner (1) by abutting the pair of metal members each other to perform friction stir welding on an inner corner portion formed by abutting a pair of metal members against each other comprising: a stirring pin (3) to be inserted into the inner corner portion; and a base block (2) supporting the stirring pin (3) and to be brought into contact with one and the other of the pair of metal members respectively, wherein the base block (2) includes: a body portion (4) having a taper shape; and a shoulder portion (5) formed detachably at a tip of the body portion, and the body portion (4) and the shoulder portion (5) are penetrated by the stirring pin (3).Type: GrantFiled: August 12, 2010Date of Patent: August 26, 2014Assignee: Nippon Light Metal Company, Ltd.Inventors: Hisashi Hori, Nobushiro Seo
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Patent number: 8782892Abstract: A method of manufacturing a heat transfer plate includes: an insertion process of inserting a heat medium pipe in a concave groove formed in a bottom face of a lid groove open to an obverse of a base member; a lid groove closing process of arranging a lid plate in the lid groove; and a main joining process of moving a main joining rotation tool along butt portions (V1, V2) between sidewalls of the lid groove and side faces of the lid plate, wherein in the main joining process a plastic fluidizing material (Q), where the base member and the lid plate are fluidized due to frictional heat, is made to flow in air gap portions (P1, P2) formed around the heat medium pipe.Type: GrantFiled: December 31, 2012Date of Patent: July 22, 2014Assignee: Nippon Light Metal Company, Ltd.Inventors: Nobushiro Seo, Hisashi Hori, Shinya Makita
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Publication number: 20140166731Abstract: The invention aims at providing a friction stir welding method which can achieve joining a butting portion to a deep location therein by reducing the load on the friction stirring device. The friction stir welding method for joining two metal members (1) using a primary joining rotary tool (F) with a stirring pin (F2) includes a primary joining process in which a rotating stirring pin (F2) is moved to the butting portion formed by butting the metal members (1) against each other and friction stir welding is carried out. In the primary joining process, only the stirring pin (F2) is brought into contact with the metal members (1).Type: ApplicationFiled: July 26, 2012Publication date: June 19, 2014Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro Seo, Hisashi Hori
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Publication number: 20140165399Abstract: Provided is a method of producing a liquid-cooled jacket wherein deformation of a seal body can be minimized.Type: ApplicationFiled: December 11, 2013Publication date: June 19, 2014Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro SEO, Shinya MAKITA, Hisashi HORI, Masanori TAMAISHI
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Patent number: 8627567Abstract: Provided is a method of producing a liquid-cooled jacket wherein deformation of a seal body can be minimized.Type: GrantFiled: December 16, 2009Date of Patent: January 14, 2014Assignee: Nippon Light Metal Company, Ltd.Inventors: Nobushiro Seo, Shinya Makita, Hisashi Hori, Masanori Tamaishi
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Patent number: 8365408Abstract: A method of manufacturing a heat transfer plate (1) includes: an insertion process of inserting a heat medium pipe (16) in a concave groove (8) formed in a bottom face of a lid groove (6) open to an obverse (3) of a base member (2); a lid groove closing process of arranging a lid plate (10) in the lid groove (6); and a main joining process of moving a main joining rotation tool (20) along butt portions (V1, V2) between sidewalls (5a, 5b) of the lid groove (6) and side faces (13a, 13b) of the lid plate (10), wherein in the main joining process a plastic fluidizing material (Q), where the base member (2) and the lid plate (10) are fluidized due to frictional heat, is made to flow in air gap portions (P1, P2) formed around the heat medium pipe (16).Type: GrantFiled: March 21, 2008Date of Patent: February 5, 2013Assignee: Nippon Light Metal Company, Ltd.Inventors: Nobushiro Seo, Hisashi Hori, Shinya Makita
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Publication number: 20120193401Abstract: The present invention provides an economic rotation tool for joining a pair of metal members which form an inner corner by abutting the pair of metal members (1) each other, and a joining inner corner method using the same. The rotation tool for joining the pair of metal members which form an inner corner (1) by abutting the pair of metal members each other to perform friction stir welding on an inner corner portion formed by abutting a pair of metal members against each other comprising: a stirring pin (3) to be inserted into the inner corner portion; and a base block (2) supporting the stirring pin (3) and to be brought into contact with one and the other of the pair of metal members respectively, wherein the base block (2) includes: a body portion (4) having a taper shape; and a shoulder portion (5) formed detachably at a tip of the body portion, and the body portion (4) and the shoulder portion (5) are penetrated by the stirring pin (3).Type: ApplicationFiled: August 12, 2010Publication date: August 2, 2012Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Hisashi Hori, Nobushiro Seo
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Publication number: 20110308059Abstract: Provided is a method of producing a liquid-cooled jacket wherein deformation of a seal body can be minimized.Type: ApplicationFiled: December 16, 2009Publication date: December 22, 2011Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro Seo, Shinya Makita, Hisashi Hori, Masanori Tamaishi
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Publication number: 20100101768Abstract: A method of manufacturing a heat transfer plate (1) includes: an insertion process of inserting a heat medium pipe (16) in a concave groove (8) formed in a bottom face of a lid groove (6) open to an obverse (3) of a base member (2); a lid groove closing process of arranging a lid plate (10) in the lid groove (6); and a main joining process of moving a main joining rotation tool (20) along butt portions (V1, V2) between sidewalls (5a, 5b) of the lid groove (6) and side faces (13a, 13b) of the lid plate (10), wherein in the main joining process a plastic fluidizing material (Q), where the base member (2) and the lid plate (10) are fluidized due to frictional heat, is made to flow in air gap portions (P1, P2) formed around the heat medium pipe (16).Type: ApplicationFiled: March 21, 2008Publication date: April 29, 2010Applicant: NIPPON LIGHT METAL COMPANY, LTD.Inventors: Nobushiro Seo, Hisashi Hori, Shinya Makita